Thomas a



(No Model.) l

T. A.A 8u J. BOYN'B, Jr'.

PAPER- MACHINE.

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. UNITED STATES- THOMAS A. BOYNE AND JAMES BOYNE, JR., OF BLOOMFIELD, LNEW JERSEY. p

PATENT OFFICE. v

PAPER-MACHlNE.

SPECIFICATION forming part of Lettersl-"atent No. 287,500,`dated40ctober 30, 1888.

' Application iiledMarcli 23,1883. (No model.) l

To all whom 2lb may concern: e

Be it known that we, THOMAS A. BOYNE and. JAMES vBOYNE, J r., of Bloomiield, in the county of Essex and State` of New Jersey, have invented a new and useful VImprovement in Paper-Machines, of which the following is a specification. l

The object of this invention is to give a more perfectly finished calendered surface to paper, without materially increasing the cost of the same; and it consists in the combination, with a stack of calender-rolls, of devices for dampening the paper in its passage therethrough, substantially as will be hereinafter Set forth, andfinally embodied in the claims. Referring tothe drawings, in which similar letters of reference indicate like parts in each of -the several gures, Figure -l is a vertical Section taken through line .fr of Eig.- 2,\said Eig. 2 being a front elevation of vour device. Fig. 3 is a longitudinal section of a dampening-roll, and Eig. 4 is a transverse section of the same, said dampening-rolls being adapted receive calendering-fluid and transmit the same to the surface of the paper.

In carrying out our invention weconstruct a frame-work, A, in which a series of calendering-rolls, B, are arranged, one above the other, as shown. With said frame is'secured boards or other suitable devices, C, for spreading the fluid, said boards being arranged as shown, so as to engage with both sides of the paper. Said boards@ stretch from standard to standard fof thel frame, and are preferably secured at their ends in slots in said standards, so that said boards may slide within the same. Said boards C have their inner edges lying in engagement with` the paper, covered or otherwise provided with a suitable spreading material-such as cloth-and are also furnished with suitable bearings D, for the hollow rolls or cylinders E. y Said cylinders are perforated, as shown lin the sectional detail views,

. and are covered with a porous sponge, H, o r

other suitable matter, so that the fluid fromy within the cylinders may pass therethrough and dampen the paper,

The iiuid is supplied from a tank, G, to the rolls by means of suitable pipes, E, which enter at one extremity of the rolls, as indicated in Figs. 2 and 3.

When we desire to calender a surface of less width than the length of roll, we may cover the ends of the rolls with a rubber band or al n covering of other impervious material, as will be readily understood.

lHaving thus described our invention, what we claim, and wish to secure by Letters Patent, 1s

1. The combination, with the calender-rolls B, of dampening-rolls arranged and adapted to dampen the surfaces of the paper while the latter is y undergoing .the calendering process.

2. The combination, with the frame A and 4. In combination, the frame A, rolls'B-,V

boards C, rolls E, pipes adapted to supply uid to said rolls E, and a tank,"G, all said parts being constructed and yarranged substantially as set forth. Y

5. In combination with calendering-rolls of a paper-machine, a hollow perforated cylinder or roll, E, covered with a porous covering, substantially as set forth.

6. `In combination in a paper-machine, calendering and dampening rolls arranged and operating Vin the frame A, substantially as herein set forth and shown.

' 7. In combination, the frame A, calendering-rolls B, boards provided on one of theirV edges with a suitable spreading material, hollow perforated cylinders or rolls having aporous covering,pipes F, and tank G, all arranged and operating substantially as herein set forth and shown. 1

In testiinony that we claim the foregoing we have hereunto afiXed our hands this 17th.(lay

of February, A. D. 1883.

'.rHos. A. norms, .msz B oYNE, JR.

In presence of- CHARLEs H. PELL, F. F. CAMPBELL. 

